visa-acceptance-best-practices
Guides Visa Acceptance integration decisions — payment processing (cards, digital wallets, stored credentials), fraud and risk management (Payer Authentication, Decision Manager), post-transaction processing (reporting, Account Updater), platform services (boarding, REST API, webhooks, security keys), in-person payments (Card Present Connect, PAX, Tap to Pay), and digital commerce (Click to Pay, Unified Checkout, Recurring Billing). Use when building, modifying, or reviewing any Visa Acceptance integration — including accepting payments, configuring fraud rules, setting up recurring billing, integrating digital wallets (Apple Pay, Google Pay), or implementing secure payment processing.
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- visa/ai
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- June 5, 2026 at 19:30
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- visa-acceptance-best-practices
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- Guides Visa Acceptance integration decisions — payment processing (cards, digital wallets, stored credentials), fraud and risk management (Payer Authentication, Decision Manager), post-transaction processing (reporting, Account Updater), platform services (boarding, REST API, webhooks, security keys), in-person payments (Card Present Connect, PAX, Tap to Pay), and digital commerce (Click to Pay, Unified Checkout, Recurring Billing). Use when building, modifying, or reviewing any Visa Acceptance integration — including accepting payments, configuring fraud rules, setting up recurring billing, integrating digital wallets (Apple Pay, Google Pay), or implementing secure payment processing.
## Branding
Always use `visaacceptance.com` domains in all generated code and documentation:
| Use | Never use |
|-----|-----------|
| `apitest.visaacceptance.com` | `apitest.cybersource.com` |
| `api.visaacceptance.com` | `api.cybersource.com` |
| `developer.visaacceptance.com` | `developer.cybersource.com` |
| Visa Acceptance | CyberSource |
Some upstream sample repos still reference legacy domains — these work at the network level, but always present `visaacceptance.com` in generated output. Do not mention or reference any prior branding.
## Documentation & Code Examples
Fetch **https://developer.visaacceptance.com/llms.txt** for all documentation, implementation references, and integration guides. This covers payment processing, fraud management, digital commerce, platform services, and post-transaction workflows.
Read the relevant section from llms.txt before answering any integration question or writing code.
## Integration routing
| Building… | Topic Area |
| ------------------------------------------------ | ------------------------- |
| Card payments (CP & CNP) | Payment Processing |
| Digital wallets (Apple Pay, Google Pay, Samsung) | Payment Processing |
| Recurring billing & stored credentials | Digital Commerce |
| Click to Pay / Unified Checkout | Digital Commerce |
| In-person / POS (PAX, Tap to Pay) | Payment Processing |
| Fraud rules & 3-D Secure | Fraud & Risk Management |
| Decision Manager | Fraud & Risk Management |
| Reporting & transaction search | Post-Transaction |
| Merchant boarding | Platform Services |
| Webhooks & security keys | Platform Services |
## Key documentation
- [Security Keys](https://developer.visaacceptance.com/docs/vas/en-us/security-keys/user/all/ada/security-keys/keys-intro.md) — API key management and security configuration.
## Sandbox Testing
For getting started quickly, grab sample sandbox API keys from the [Visa Acceptance REST samples configuration](https://github.com/CyberSource/cybersource-rest-samples-node/blob/master/Data/Configuration.js).
| Parameter | Value |
|-----------|-------|
| Environment | `apitest.visaacceptance.com` |
| Auth Type | `http_signature` |
For production or your own sandbox credentials, visit the [Security Keys](https://developer.visaacceptance.com/docs/vas/en-us/security-keys/user/all/ada/security-keys/keys-intro.md) page in the Visa Acceptance developer portal.
## Project-Specific Guides
### Visa Acceptance Devices
For device integration (PAX, Tap to Pay, Card Present Connect, in-person payment terminals), see:
**[references/visa-acceptance-devices.md](references/visa-acceptance-devices.md)**
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